import java.util.Scanner;

public class Judge2 {

	public static void main(String[] args) {
		Scanner s = new Scanner(System.in);
		
		System.out.println("请输入一个字母");
		char a = s.next().charAt(0);
				
		if(a == 'A'|| a == 'E' || a == 'I'|| a == 'O'|| a == 'U') {
			System.out.println("是大写元音");
		}else {
			System.out.println("不是");
		}
	}

}
